Exponential transfer function

Hi,
It is known to me that a transfer function with a delay [for example: exp(-2*s)] can be written as tf([1],[0 1],'inputdelay',2). But how one can write a transfer function like exp(2*s) in Matlab or Simulink?
Your kind help will be very much appreciated.

回答(1 个)

Arkadiy Turevskiy
Arkadiy Turevskiy 2011-11-22

0 个投票

The delay has to be a positive number - otherwise you get a noncasual system. Arkadiy

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